Part # 500321-0000, Nitrogen Bubbler

In many distillations, especially those of crude oil, it is desirable to bubble a small amount of nitrogen over the charge to prevent oxidation and also to purge any oxygen from the system. By filling the lower reservoir of this unit with an acceptable oil and connecting the top joint to a nitrogen source, the flow rate of nitrogen by bubble count can actually be seen, even during sub atmospheric distillation.